#!/usr/bin/env python 
# -*- coding:UTF-8 -*-
#本片段主要是类的方法的实践代码

class YunweiNoteA(object):
    def __init__(self):
        pass
class YunweiNoteB(YunweiNoteA):
    def __init__(self,name,age,sex):
    YunweiNoteA.__init__(self)
    self.name = name
    self.age = age
    self.sex = sex